http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Coal resources of the Baker and Wibaux 30 x 60-minute quadrangles, eastern Montana and adjacent North Dakota
2 maps, 8 sections on 3 sheets : color ; 56 x 77 cm., on sheets 71 x 91 cm., folded in envelope 30 x 23 cm. + 1 pamphlet (6 pages ; 28 cm.)
by Mark A. Sholes ; prepared in cooperation with the U.S. Geological Survey.
Relief shown by contour lines and spot heights.
Includes references in pamphlet, pages 5-6.
Geologic map (Montana Bureau of Mines and Geology) ; GM-48